Examples with Attributes org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.Attributes used on opensource projects

Example 36 with Attributes

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.Attributes in project bgpcep by opendaylight.

the class BaseAbstractRouteEntry method selectBest.

@Override
public final boolean selectBest(final long localAs) {
    /*
         * FIXME: optimize flaps by making sure we consider stability of currently-selected route.
         */
    final BasePathSelector selector = new BasePathSelector(localAs);
    // Select the best route.
    for (int i = 0; i < this.offsets.size(); ++i) {
        final UnsignedInteger routerId = this.offsets.getRouterKey(i);
        final Attributes attributes = this.offsets.getValue(this.values, i);
        LOG.trace("Processing router id {} attributes {}", routerId, attributes);
        selector.processPath(routerId, attributes);
    }
    // Get the newly-selected best path.
    final BaseBestPath newBestPath = selector.result();
    final boolean modified = newBestPath == null || !newBestPath.equals(this.bestPath);
    if (modified) {
        if (this.offsets.isEmpty()) {
            this.removedBestPath = this.bestPath;
        }
        LOG.trace("Previous best {}, current best {}", this.bestPath, newBestPath);
        this.bestPath = newBestPath;
    }
    return modified;
}

Example 37 with Attributes

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.Attributes in project bgpcep by opendaylight.

the class AddPathAbstractRouteEntry method fillAdjRibsOut.

@SuppressWarnings("unchecked")
private void fillAdjRibsOut(final boolean isFirstBestPath, final Attributes attributes, final Route routeNonAddPath, final Route routeAddPath, final Identifier routeKeyAddNonPath, final Identifier routeKeyAddPath, final PeerId fromPeerId, final TablesKey localTK, final RouteEntryDependenciesContainer routeEntryDep, final WriteTransaction tx) {
    /*
         * We need to keep track of routers and populate adj-ribs-out, too. If we do not, we need to
         * expose from which client a particular route was learned from in the local RIB, and have
         * the listener perform filtering.
         *
         * We walk the policy set in order to minimize the amount of work we do for multiple peers:
         * if we have two eBGP peers, for example, there is no reason why we should perform the translation
         * multiple times.
         */
    final RIBSupport ribSupport = routeEntryDep.getRibSupport();
    for (final Peer toPeer : this.peerTracker.getPeers()) {
        if (!filterRoutes(fromPeerId, toPeer, localTK)) {
            continue;
        }
        final boolean destPeerSupAddPath = toPeer.supportsAddPathSupported(localTK);
        if (toPeer.getPeerId().getValue().equals("bgp://127.0.0.5")) {
            LOG.debug("Write route {} to peer AdjRibsOut {}", toPeer.getPeerId());
        }
        if (peersSupportsAddPathOrIsFirstBestPath(destPeerSupAddPath, isFirstBestPath)) {
            Optional<Attributes> effAttrib = Optional.empty();
            final Peer fromPeer = this.peerTracker.getPeer(fromPeerId);
            if (fromPeer != null && attributes != null) {
                final BGPRouteEntryExportParameters baseExp = new BGPRouteEntryExportParametersImpl(fromPeer, toPeer);
                effAttrib = routeEntryDep.getRoutingPolicies().applyExportPolicies(baseExp, attributes);
            }
            Route newRoute = null;
            InstanceIdentifier ribOutRoute = null;
            if (destPeerSupAddPath) {
                newRoute = routeAddPath;
                ribOutRoute = ribSupport.createRouteIdentifier(toPeer.getRibOutIId(localTK), routeKeyAddPath);
            } else if (!this.oldNonAddPathBestPathTheSame) {
                ribOutRoute = ribSupport.createRouteIdentifier(toPeer.getRibOutIId(localTK), routeKeyAddNonPath);
                newRoute = routeNonAddPath;
            }
            if (effAttrib.isPresent() && newRoute != null) {
                LOG.debug("Write route {} to peer AdjRibsOut {}", newRoute, toPeer.getPeerId());
                tx.put(LogicalDatastoreType.OPERATIONAL, ribOutRoute, newRoute);
                tx.put(LogicalDatastoreType.OPERATIONAL, ribOutRoute.child(Attributes.class), effAttrib.get());
            } else if (ribOutRoute != null) {
                LOG.trace("Removing {} from transaction for peer {}", ribOutRoute, toPeer.getPeerId());
                tx.delete(LogicalDatastoreType.OPERATIONAL, ribOutRoute);
            }
        }
    }
}

Example 38 with Attributes

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.Attributes in project bgpcep by opendaylight.

the class AddPathAbstractRouteEntry method selectBest.

private void selectBest(final RouteKey key, final AddPathSelector selector) {
    final int offset = this.offsets.offsetOf(key);
    final Attributes attributes = this.offsets.getValue(this.values, offset);
    final long pathId = this.offsets.getValue(this.pathsId, offset);
    LOG.trace("Processing router key {} attributes {}", key, attributes);
    selector.processPath(attributes, key, offset, pathId);
}

Example 39 with Attributes

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.Attributes in project bgpcep by opendaylight.

the class AbstractPathComputation method pruneEdge.

/**
 * Check if Edge need to be prune regarding all constraints including
 * address family.
 *
 * @return True if Edge must be prune, False if Edge must be keep
 */
protected boolean pruneEdge(final ConnectedEdge edge, final CspfPath path) {
    /* Check that Constraints are initialized */
    if (constraints == null) {
        LOG.warn("Constraints not set");
        return true;
    }
    /* Edge could point to an unknown Vertex e.g. with inter-domain link */
    if (edge.getDestination() == null || edge.getDestination().getVertex() == null) {
        LOG.debug("No Destination");
        return true;
    }
    /* Check that Edge have attributes */
    EdgeAttributes attributes = edge.getEdge() != null ? edge.getEdge().getEdgeAttributes() : null;
    if (attributes == null) {
        LOG.debug("No attributes");
        return true;
    }
    /* Check that Edge belongs to the requested address family */
    switch(constraints.getAddressFamily()) {
        case Ipv4:
            if (attributes.getRemoteAddress() == null || attributes.getRemoteAddress().getIpv4Address() == null) {
                LOG.debug("No Ipv4 address");
                return true;
            }
            break;
        case Ipv6:
            if (attributes.getRemoteAddress() == null || attributes.getRemoteAddress().getIpv6Address() == null) {
                LOG.debug("No Ipv6 address");
                return true;
            }
            break;
        case SrIpv4:
            if (getIpv4NodeSid(edge.getDestination()) == null) {
                LOG.debug("No Node-SID for IPv4");
                return true;
            }
            if (attributes.getAdjSid() == null) {
                LOG.debug("No Adjacency-SID");
                return true;
            }
            break;
        case SrIpv6:
            if (getIpv6NodeSid(edge.getDestination()) == null) {
                LOG.debug("No Node-SID for IPv6");
                return true;
            }
            if (attributes.getAdjSid() == null) {
                LOG.debug("No SR Adjacency-SID");
                return true;
            }
            break;
        default:
            return true;
    }
    /* Skip checking other Constraints for simple SPF algorithm */
    if (this instanceof ShortestPathFirst) {
        LOG.trace("Edge {} is valid for Simple Path Computation", edge);
        return false;
    }
    /*
         * If specified, check that total TE Metric up to this edge respects the
         * initial constraints
         */
    if (constraints.getTeMetric() != null) {
        if (attributes.getTeMetric() == null) {
            return true;
        } else {
            int totalCost = attributes.getTeMetric().intValue() + path.getCost();
            if (totalCost > constraints.getTeMetric().intValue()) {
                LOG.debug("TeMetric {} exceed constraint {}", totalCost, constraints.getTeMetric().intValue());
                return true;
            }
        }
    }
    /*
         * If specified, check that total Delay up to this edge respects the
         * initial constraints
         */
    if (constraints.getDelay() != null) {
        if (attributes.getDelay() == null) {
            return true;
        } else {
            int totalDelay = attributes.getDelay().getValue().intValue() + path.getDelay();
            if (totalDelay > constraints.getDelay().getValue().intValue()) {
                LOG.debug("Delay {} exceed constraint {}", totalDelay, constraints.getDelay().getValue().intValue());
                return true;
            }
        }
    }
    /* Check that Edge respect Loss constraint */
    if (constraints.getLoss() != null) {
        if (attributes.getLoss() == null || attributes.getLoss().getValue().intValue() > constraints.getLoss().getValue().intValue()) {
            return true;
        }
    }
    /* Check that Edge meet Bandwidth constraint */
    int cos = 0;
    if (constraints.getClassType() != null) {
        cos = constraints.getClassType().intValue();
    }
    if (constraints.getBandwidth() != null) {
        if (attributes.getMaxLinkBandwidth() == null || attributes.getMaxResvLinkBandwidth() == null || attributes.getUnreservedBandwidth() == null || attributes.getUnreservedBandwidth().get(cos) == null) {
            return true;
        } else {
            Long bandwidth = constraints.getBandwidth().getValue().longValue();
            Long unrsv = 0L;
            for (UnreservedBandwidth unResBw : attributes.getUnreservedBandwidth()) {
                if (unResBw.getClassType().intValue() == cos) {
                    unrsv = unResBw.getBandwidth().getValue().longValue();
                    break;
                }
            }
            if (unrsv < bandwidth || attributes.getMaxLinkBandwidth().getValue().longValue() < bandwidth || attributes.getMaxResvLinkBandwidth().getValue().longValue() < bandwidth) {
                LOG.debug("Bandwidth constraint is not met");
                return true;
            }
        }
    }
    /* Check that Edge belongs to admin group */
    if (constraints.getAdminGroup() != null && !constraints.getAdminGroup().equals(attributes.getAdminGroup())) {
        LOG.debug("Not in the requested admin-group");
        return true;
    }
    /*
         * OK. All is fine. We can consider this Edge valid, so not to be prune
         */
    LOG.trace("Edge {} is valid for Constrained Path Computation", edge);
    return false;
}

Example 40 with Attributes

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.Attributes in project bgpcep by opendaylight.

the class EvpnNlriParser method serializeAttribute.

@Override
public void serializeAttribute(final Attributes pathAttributes, final ByteBuf byteAggregator) {
    final AttributesReach pathAttributes1 = pathAttributes.augmentation(AttributesReach.class);
    final AttributesUnreach pathAttributes2 = pathAttributes.augmentation(AttributesUnreach.class);
    if (pathAttributes1 != null) {
        final AdvertizedRoutes routes = pathAttributes1.getMpReachNlri().getAdvertizedRoutes();
        if (routes != null && routes.getDestinationType() instanceof DestinationEvpnCase) {
            final DestinationEvpnCase evpnCase = (DestinationEvpnCase) routes.getDestinationType();
            serializeNlri(evpnCase.getDestinationEvpn().getEvpnDestination(), byteAggregator);
        }
    } else if (pathAttributes2 != null) {
        final MpUnreachNlri mpUnreachNlri = pathAttributes2.getMpUnreachNlri();
        final WithdrawnRoutes withdrawnRoutes = mpUnreachNlri.getWithdrawnRoutes();
        if (withdrawnRoutes != null && withdrawnRoutes.getDestinationType() instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev200120.update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationEvpnCase) {
            final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev200120.update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationEvpnCase evpnCase = (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.evpn.rev200120.update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationEvpnCase) mpUnreachNlri.getWithdrawnRoutes().getDestinationType();
            serializeNlri(evpnCase.getDestinationEvpn().getEvpnDestination(), byteAggregator);
        }
    }
}